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Prediction of player recharge amounts in massively multiplayer online role-playing games

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利用训练集和验证集数据训练LightGBM模型使用的参数为: params = { 'objective': 'regression', 'metric': {'rmse'}, 'boosting_type' : 'gbdt', 'learning_rate': 0.05, 'max_depth' : 8, 'num_leaves' : 40, 'feature_fraction' : 0.8, 'subsample' : 0.8, 'min_child_samples': 25, 'seed' : 114, 'num_iterations' : 3000, 'nthread' : -1, 'verbose' : -1, 'reg_alpha': 0.1, 'reg_lambda': 0.1 }

之后利用上述训练过程中的最佳轮次对应的参数,只使用验证集数据进行模型重训练。

利用训练好的模型对用户第8天的充值金额进行预测。

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Prediction of player recharge amounts in massively multiplayer online role-playing games

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